Question

describe an activity to draw a magnetic field lines outside a bar magnet from one pole to another

Answer 1

Take a Bar Magnet .One pole is north and another is south.The magnetic fields of
lines always starts at north pole and ends at south pole.

Answer 2

1 take a bar magnet
2 take a magnet needle
3 place the magnetic needle at the north pole and then take it in a circular loop along the magnet and mark the points